1.The product buit-in device for mini generating electricity,illuminated by water without battery,the light will go out when the water was turned off.

2. The illuminated colour will change according to the water temperature

a.When water flows down, the LED will light instantly an automatically;When water temperature is ≤32°C,Green color will appear automatically;

b.When water temperature is between 33°C-41°C,Blue color will appear automatically;

c.When water temperature is between 42°C-45°C,Red color will appear automatically;

d.When water temperature is above 46°C,Red color will flash immediately.

3.Two Universal adaptors (included) fits most water faucets.\

RGB color LED Faucets(Temperature detectable)